A PHP Error was encountered

Severity: 8192

Message: unserialize(): Passing null to parameter #1 ($data) of type string is deprecated

Filename: controllers/Products.php

Line Number: 294

Backtrace:

File: /home1/telebgec/public_html/application/controllers/Products.php
Line: 294
Function: unserialize

File: /home1/telebgec/public_html/index.php
Line: 316
Function: require_once